Home / 76,488.06-114,714.76-29,086.25

Finding the Fourth Proportional to 76,488.06, 114,714.76 and 29,086.25

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Solution

The fourth proportional to 76,488.06, 114,714.76 and 29,086.25 is: 43,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,488.06 : 114,714.76 = 29,086.25 : x
  2. Step 2: Convert to fraction form
    76,488.06/114,714.76 = 29,086.25/x
  3. Step 3: Cross multiply
    76,488.06x = 114,714.76 × 29,086.25
  4. Step 4: Simplify right side
    76,488.06x = 3,336,622,188.05
  5. Step 5: Solve for x
    x = 3,336,622,188.05/76,488.06
  6. Step 6: Final answer
    x = 43,622.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.